Upgrade your Sprinter 3500 4x4 with our Opti-Rate leaf springs, designed for a smoother ride and improved handling. Our springs feature a tunable preload system, allowing you to adjust the spring rate and ride height to suit your needs. With a longer spring and shackle, our Opti-Rate leaf springs provide a more stable and progressive spring curve. Whether you're a van builder, kit installer, or DIY enthusiast, our Opti-Rate leaf springs are the perfect solution for your Sprinter 3500 4x4. The springs are fully compatible with lift blocks and existing rear geometry correction components, allowing for increased clearance and a more aggressive stance.
